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  <h1 class="topictitle1">原机恢复/即时恢复任务失败，错误详情包含“ORA-01034: ORACLE not available”</h1>
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    <h4 class="sectiontitle">现象描述</h4>
    <p>用户执行以下操作后恢复/即时恢复Oracle数据库任务失败，错误详情包含“ORA-01034: ORACLE not available”。</p>
    <ol>
     <li>用户对单机（单机的卷类型为ASM）上的数据库A执行备份，产生备份副本a。</li>
     <li>将该单机作为目标位置执行即时挂载，且挂载的副本与目标主机中存在同名数据库A。</li>
     <li>即时挂载后再执行销毁挂载操作。</li>
     <li>使用备份副本a执行原机恢复/即时恢复操作。</li>
    </ol>
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    <h4 class="sectiontitle">可能原因</h4>
    <p>执行原机恢复/即时恢复时，<span>本产品</span>会对spfile参数文件进行修改，在上述操作场景下，数据库中不存在spfile参数文件导致启动数据库失败进而恢复任务失败。</p>
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    <h4 class="sectiontitle">处理步骤</h4>
    <ol>
     <li><span>使用PuTTY，登录Oracle数据库主机。</span></li>
     <li><span>执行以下命令，切换到<strong>oracle</strong>账户。</span><p></p><p><strong>su - oracle</strong></p> <p></p></li>
     <li><span>执行以下命令添加数据库。</span><p></p><p><strong>srvctl add database -d </strong><em>数据库名称</em><strong> -o ${ORACLE_HOME} -p </strong><em>spfile参数文件路径</em></p> <p></p></li>
    </ol>
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